package hello

import (
	"fmt"
	"os"
)

func underline()  {
	fmt.Println("underline")
	//下划线的意思是忽略或者说是占位符
	buf := make([]byte,1024)
	f,_ := os.Open("../../bin/text.txt")
	defer f.Close()
	for{
		n,_ :=f.Read(buf)
		if n==0{
			break
		}
		os.Stdout.Write(buf[:n])
	}
}

